[edk2-devel] [PATCH 07/14] OvmfPkg/PlatformPei: Refactor MaxCpuCountInitialization
Min Xu
min.m.xu at intel.com
Tue Mar 8 02:36:08 UTC 2022
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
MaxCpuCountInitialization is splitted into two:
- PlatformMaxCpuCountInitialization is for PlatformInitLib
- MaxCpuCountInitialization is for PlatformPei. It calls
PlatformMaxCpuCountInitialization then sets PCDs.
Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
Cc: Jordan Justen <jordan.l.justen at intel.com>
Cc: Brijesh Singh <brijesh.singh at amd.com>
Cc: Erdem Aktas <erdemaktas at google.com>
Cc: James Bottomley <jejb at linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Tom Lendacky <thomas.lendacky at amd.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Cc: Sebastien Boeuf <sebastien.boeuf at intel.com>
Signed-off-by: Min Xu <min.m.xu at intel.com>
---
OvmfPkg/PlatformPei/Platform.c | 31 ++++++++++++++++++++++---------
1 file changed, 22 insertions(+), 9 deletions(-)
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
index 7d370c9b8fa8..c184fdb57ee0 100644
--- a/OvmfPkg/PlatformPei/Platform.c
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -542,13 +542,12 @@ Q35BoardVerification (
them to UefiCpuPkg modules. Set the mMaxCpuCount variable.
**/
VOID
-MaxCpuCountInitialization (
+PlatformMaxCpuCountInitialization (
IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob
)
{
- UINT16 BootCpuCount;
- UINT32 MaxCpuCount;
- RETURN_STATUS PcdStatus;
+ UINT16 BootCpuCount;
+ UINT32 MaxCpuCount;
//
// Try to fetch the boot CPU count.
@@ -705,15 +704,29 @@ MaxCpuCountInitialization (
));
ASSERT (BootCpuCount <= MaxCpuCount);
- PcdStatus = PcdSet32S (PcdCpuBootLogicalProcessorNumber, BootCpuCount);
- ASSERT_RETURN_ERROR (PcdStatus);
- PcdStatus = PcdSet32S (PcdCpuMaxLogicalProcessorNumber, MaxCpuCount);
- ASSERT_RETURN_ERROR (PcdStatus);
-
PlatformInfoHob->PcdCpuMaxLogicalProcessorNumber = MaxCpuCount;
PlatformInfoHob->PcdCpuBootLogicalProcessorNumber = BootCpuCount;
}
+/**
+ Fetch the boot CPU count and the possible CPU count from QEMU, and expose
+ them to UefiCpuPkg modules. Set the mMaxCpuCount variable.
+**/
+VOID
+MaxCpuCountInitialization (
+ IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob
+ )
+{
+ RETURN_STATUS PcdStatus;
+
+ PlatformMaxCpuCountInitialization (PlatformInfoHob);
+
+ PcdStatus = PcdSet32S (PcdCpuBootLogicalProcessorNumber, PlatformInfoHob->PcdCpuBootLogicalProcessorNumber);
+ ASSERT_RETURN_ERROR (PcdStatus);
+ PcdStatus = PcdSet32S (PcdCpuMaxLogicalProcessorNumber, PlatformInfoHob->PcdCpuMaxLogicalProcessorNumber);
+ ASSERT_RETURN_ERROR (PcdStatus);
+}
+
/**
Perform Platform PEI initialization.
--
2.29.2.windows.2
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